package com.hkd.forum.service.impl;


import com.hkd.forum.common.AppResult;
import com.hkd.forum.common.ResultCode;
import com.hkd.forum.dao.ArticleReplyMapper;
import com.hkd.forum.exception.ApplicationException;
import com.hkd.forum.model.ArticleReply;
import com.hkd.forum.service.IArticleReplyService;
import com.hkd.forum.service.IArticleService;
import com.hkd.forum.utils.StringUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

@Slf4j
@Service
public class ArticleReplyServiceImpl implements IArticleReplyService {
    @Autowired
    private ArticleReplyMapper articleReplyMapper;

    @Autowired
    private IArticleService  articleService;

    @Override
    public void create(ArticleReply articleReply) {
        //非空校验
        if(articleReply == null || articleReply.getArticleId() ==null
                                || articleReply.getPostUserId() == null
                                || StringUtil.isEmpty(articleReply.getContent())){
            //打印日志
            log.warn(ResultCode.FAILED_PARAMS_VALIDATE.toString());
            //抛出异常
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_PARAMS_VALIDATE));
        }

        //设置默认值
        articleReply.setReplyId(null);
        articleReply.setReplyUserId(null);
        articleReply.setLikeCount(0);
        articleReply.setState((byte) 0);
        articleReply.setDeleteState((byte) 0);
        Date date = new Date();
        articleReply.setCreateTime(date);
        articleReply.setUpdateTime(date);

        //写入数据库
        int row = articleReplyMapper.insertSelective(articleReply);
        if (row != 1){
            //打印日志
            log.info(ResultCode.FAILED_CREATE.toString());
            //抛出异常
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_CREATE));
        }
        //更新帖子表中的回复数
        articleService.addOneReplyCountById(articleReply.getArticleId());
        //打印日志
        log.info("回复成功 article id =" + articleReply.getReplyId()+" user Id ="+articleReply.getPostUserId());
    }

    @Override
    public List<ArticleReply> selectByArticleId(Long articleId) {
        //非空校验
        if(articleId == null || articleId <= 0){
            //打印日志
            log.warn(ResultCode.FAILED_PARAMS_VALIDATE.toString());
            //抛出异常
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_PARAMS_VALIDATE));
        }
        //调用dao
        List<ArticleReply> result = articleReplyMapper.selectByArticleId(articleId);

        //返回结果
        return result;
    }

}
